Zhejiang Jiashan Bairu Metal-pieces Factory specializes in producing HVAC system accessories; corner common duct board code, hook code, plug the flange angle and various types of engineering installation accessories. Stable product quality, after years of development and growth, our company has has become a leading supplier of the HVAC industry. Company adheres to the production concept of efforts and quality, sales philosophy of honesty and trustworthy, to dedicate to provide customers with quality products and services.